Father: Robert de Vere, 5th Earl of OxfordSpouse: William de Warenne, b. 9 February 1256 in Surrey, England, m. Joan of Bar, 25 May 1306, d. 15 December 1286, cause of death was an accident during a tournament.
Mother: Alice de Sanford
Father: John de Warenne, 6th Earl of Surrey, b. August 1231 in Warren, Sussex, England, d. 27 September 1305 in Kennington, Kent, England
Mother: Alice de Lusignan, b. ABT 1230 in Lusignan, Vienne, France, m. Gilbert "the Red Earl" de Clare, 2 February 1252/3 in England, d. 9 February 1291 in Warren, Sussex, England
Married
Children:
Robert de Vere, 5th Earl of Oxford
, b. ABT 1240, d. bef. 7 September 1296, bur. at Earls Colne, Essex, EnglandFather: Hugh De Vere, 4th Earl of Oxford, b. ABT 1210 in Earls Colne, Essex, England, d. bef. 23 December 1263 in Earls Colne, Essex, EnglandSpouse: Alice de Sanford, d. 7 September 1312 in Canfield, Essex, England, bur. at Earls Colne, Essex, England
Mother: Hawise de Quincy (2), b. ABT 1184 in Winchester
Father: Gilbert de Sanford
Married bef. 22 February 1252
Children:
Hugh De Vere, 4th Earl of Oxford, b. ABT 1210 in Earls Colne, Essex, England, d. bef. 23 December 1263 in Earls Colne, Essex, England, buried 23 December 1263 in Earls Colne, Essex, England
Father: Robert de Vere, 3rd Earl of Oxford, b. aft. 1164 in Hatfield, Essex, England, d. 24 October 1221 in Hatfield, Essex, England
Mother: Isabel De Bolebec, b. ABT 1164 in Whitechurch, Bucks, England, d. bef. 3 February 1245, buried 3 February 1245 in Church of Preaching Friars, Oxfordshire, England
Spouse: Hawise de Quincy (2), b. ABT 1184 in Winchester, Hampshire, England
Father: Saher de Quincy 1st Earl of Winchester, b. 1155 in Winchester, Hampshire, England, d. 3 November 1219 in Damietta, Palestine, cause of death was on his way to the Holy Land.
Mother: Margaret de Harcourt, b. ABT 1156 in Hampshire, England, d. 12 January 1236
Married.
Children:
Robert de Vere, 3rd Earl of Oxford, b. aft. 1164 in Hatfield, Essex, England, d. 24 October 1221 in Hatfield, Essex, England
Father: Aubrey III de Vere, b. ABT 1110 in Oxfordshire, England, d. 26 December 1194
Mother: Agnes De Essex, b. ABT 1151 in Rayleigh, Essex, England, d. aft. 1194
Spouse: Isabel De Bolebec, b. ABT 1164 in Whitechurch, Bucks, England, d. bef. 3 February 1245, buried 3 February 1245 in Church of Preaching Friars, Oxfordshire, England
Married.
Children:
Aubrey III de Vere, b. ABT 1110 in Oxfordshire, England, d. 26 December 1194
Father: Aubrey de Vere, 2nd Earl of Oxford, b. 1062 in Hedingham, Essex, England, d. 15 May 1141 in London, Middlesex, England
Mother: Adeliza (Alice) de Clare, b. 1092 in Tunbridge, Kent, England, d. 1163
Spouse: Agnes De Essex, b. ABT 1151 in Rayleigh, Essex, England, d. aft. 1194
Father: Henry De Essex
Mother: Cicely ?
Married.
Children:
Aubrey de Vere, 2nd Earl of Oxford, b. 1062 in Hedingham, Essex, England, d. 15 May 1141 in London, Middlesex, England
Father: Alberic de Vere, b. ABT 1030 in Hedingham, Essex, England, d. 1088
Mother: Beatrice (Beatrix) Gand (Ghent), b. ABT 1040 in Bourboucy, France
Aubrey was Justiciar of England and Master Chamberlain.
Spouse: Adeliza (Alice) de Clare, b. 1092 in Tunbridge, Kent, England, d. 1163
Father: Gilbert Fitzrichard de Clare, b. 1065 in Clare, Suffolk, England, d. 1115 in England
Mother: Adeliza de Clermont, b. 1058
Adeliza and Aubrey had three more children. She became a nun later in life.
Married 1105 in Suffolk, England.
Children:
Alberic de Vere, b. ABT 1030 in Hedingham, Essex, England, d. 1088
Father: Alphonso, Count of Ghesnes, b. ABT 1000 in Hedingham, Essex, England
Spouse: Beatrice (Beatrix) Gand (Ghent), b. ABT 1040 in Bourboucy, France
Father: Henry Castellan de Gand, b. ABT 1005 in Bourboucy, France
Mother: Sibilla Manasses, b. ABT 1005 in Bourboucy, France
Married.
Children:
Alphonso, Count of Ghesnes, b. ABT 1000 in Hedingham, Essex, England
Children:
Henry Castellan de Gand, b. ABT 1005 in Bourboucy, France
Spouse: Sibilla Manasses, b. ABT 1005 in Bourboucy, France
Married.
Children:
Henry De Essex
Spouse: Cicely ?
Married.
Children: